WO2016079566A1 - Unidad hidráulica de bombeo mecánico con radiador integrado - Google Patents
Unidad hidráulica de bombeo mecánico con radiador integrado Download PDFInfo
- Publication number
- WO2016079566A1 WO2016079566A1 PCT/IB2014/066176 IB2014066176W WO2016079566A1 WO 2016079566 A1 WO2016079566 A1 WO 2016079566A1 IB 2014066176 W IB2014066176 W IB 2014066176W WO 2016079566 A1 WO2016079566 A1 WO 2016079566A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hydraulic
- oil
- radiator
- tank
- valve
- Prior art date
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 239000003921 oil Substances 0.000 abstract description 53
- 239000010720 hydraulic oil Substances 0.000 abstract description 30
- 230000002706 hydrostatic effect Effects 0.000 abstract description 4
- 239000003129 oil well Substances 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 31
- 230000009977 dual effect Effects 0.000 description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000010793 Steam injection (oil industry) Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/08—Cooling; Heating; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
- F04B47/04—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level the driving means incorporating fluid means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/35—Directional control combined with flow control
- F15B2211/353—Flow control by regulating means in return line, i.e. meter-out control
Definitions
- the present invention corresponds to a hydraulic mechanical pumping unit with integrated radiator perfected for use in oil production or hydrocarbon extraction.
- Hydraulic mechanical pumping units are machines that perform artificial lifting of the oil found in the subsoil, using a hydraulic system composed of a series of independent elements. Generally, three motors are used: one for the power pump, one for the recirculation pump and one for a fan.
- these machines have an oil tank, a radiator, an electric chest, a focuser for the air that drives the fan, and a structure in which all the aforementioned components are mounted.
- the Colombian invention patent “Mechanical pumping hydraulic unit with single motor”, is characterized by having a single motor coupled to a dual pump at one end of its axis and at the rear end of its axis, the fan.
- the present invention further simplifies the design and optimizes the operation of the conventional unit, since it uses a single motor to move both pumps and the fan.
- its physical structure provides two hydraulic tanks, a radiator, an electric chest, a hydraulic hood and a chest of electric controls and hydraulic measuring elements, resulting in a more reliable and simple machine.
- this machine comprises a speed selector valve in order to operate the wells at high speeds and low forces or at low speeds and high forces.
- the present invention is a hydraulic mechanical pumping unit with integrated radiator that supplies a hydraulic oil flow at a pressure required for the actuation of a hydraulic actuator 48, which comprises the ability to lift the weight generated by a string of well rods. and the hydrostatic column that oil generates during its extraction.
- the hydraulic mechanical pump unit with integrated radiator to the chassis has a dual pump that takes oil from the oil suction tank.
- This dual pump is driven by a motor to which it is coupled by a bell and a flexible coupling.
- the engine comprises on its rear axle a fan, which sucks the air from the outside and forces it into the machine by passing it through the hydraulic oil radiator, which is located above the engine and in the middle of The two oil tanks as mentioned above.
- the bidirectional valve offers the option of sending the oil from the secondary pump to the hydraulic power circuit or, failing that, sends the oil to the oil discharge tank. This allows the two hydraulic flows belonging to the primary and secondary pump to be added, or otherwise, that the oil belonging to the primary pump is sent to the hydraulic circuit and that the secondary pump oil is recirculated to the discharge tank.
- this invention is characterized by integrating an electric chest, a hydraulic hood and an electric control box with hydraulic measuring elements, into the machine chassis. In this way, advantages are obtained since it is possible to reduce the volume of the machine and the reliability of the system is increased while it has a smaller number of parts and connections, both hydraulic and electrical, duly protected from the environment.
- the hydraulic power circuit is made up of the pressure regulating valve 16, the pressure regulating valve 17, the high pressure check 56, the primary pilot solenoid valve 19, the secondary pilot solenoid valve 20 and the flow regulating check valve 18, as seen in Figures 6 and 7.
- the chassis 1 The machine is constructed with a characteristic geometry which places the radiator 10 at the top of the machine in the middle of the oil discharge tank 9 and the suction tank 1 1 as seen in Figures 3 and 4.
- the chassis is composed of the dry chamber 12 which is located at the same height and next to the suction tank 1 1 As can be seen in figure 4. Below the dry chamber 12 and the suction tank 1 1, find the chest 13 and below it the chest 14 as seen in figure 4. In this way, an air focuser is created composed of the volume contained between the base of the chassis 1, the walls of the bedrooms 13 and 14, the bottom of the tank suction 9 and the side cover 45 with its respective hatch 46, as seen in figures 2, 3 and 4.
- Said shaft comprises installed at its rear end the fan 2, so that it sucks air from the outside through the air suction grill 58 towards the air focuser that directs the flow to the top of the machine, forcing it through the radiator 10, to finally exit through the side grilles 59 and 60, as seen in Figure 4.
- the flexible coupling 5 On the other end of the motor shaft 3 is the flexible coupling 5 which transfers the torque and revolutions to the dual pump, as seen in figures 4 and 5.
- This dual pump is centered and attached to the bell 4, which in turn is attached to the motor 3 and also centered to the motor 3 axis, guaranteeing excellent alignment between the axis of the dual pump and motor shaft 3.
- the dual pump is composed of a primary pump 6 and a secondary pump 7 that share a single suction.
- This suction is connected to the ball valve 22 which in turn is connected to the hydraulic oil suction filter 21 which is inside the suction tank 1 1, as seen in Figures 4 and 5.
- the primary pump 6 pressurizes a certain oil flow and sends it through the hose 32 to the flow connector 15, as it is observed in figure 5. After this the oil is sent to the hydraulic power circuit, as seen in figure 6.
- the oil sucked by the secondary pump 7 is pressurized by it to the hose 33 which connects to bidirectional valve 8, as seen in the Figure 5.
- the oil found in the flow connector 15 is sent to the hydraulic circuit.
- the path that the oil travels in this case is through the pressure regulating valve 16, where a first small flow flows through the line 30 towards the primary pilot solenoid valve 19, where it returns to the suction tank 1 1, a second oil return flow drifts through the hose 38 to the return line for hydraulic oil 36 and a third flow drifts to the high pressure check 56, as shown in Figure 7.
- the oil passes to the pressure regulating valve 17 where a first small flow drifts through line 29 to the secondary pilot solenoid valve 20, where it returns to the suction tank 1 1, a second oil return flow drifts through from the hose 37 to the return line for hydraulic oil 36 and a third flow drifts to the flow control check valve 18, as shown in Figure 7. Subsequently the oil passes to the hose 53, the high pressure ball valve 52, the pedestal 47, the hose 54, finally reaching the hydraulic actuator 48, as shown in figure 1. When the hydraulic oil reaches the hydraulic actuator 48, the oil is found at low pressure because the primary and secondary pilot solenoid valves 19 and 20, respectively, are normally open.
- the primary and secondary pilot solenoid valves 19 and 20 When the primary and secondary pilot solenoid valves 19 and 20 are open they are not energized allowing pressure regulating valves 16 and 17 to remain open by sending the remaining oil through hoses 38 and 37 and from these to the return line for hydraulic oil 36. Subsequently, the lower sensor 50 sends an electrical signal to the electronic control board 57, which is responsible for energizing and closing the primary pilot solenoid valve 19 and the secondary pilot solenoid valve 20. Once the pilot solenoid valve is closed primary 19 and secondary pilot solenoid valve 20, the hydraulic oil flow stops at through lines 29 and 30, allowing pressure regulating valves 16 and 17 to close at their maximum set pressure.
- the hydraulic actuator 48 If the pressure required by the hydraulic actuator 48, to lift the load exerted by the rod string and the hydrostatic column inside the well, is lower than the set pressure of the pressure regulating valves 16 and 17, the hydraulic actuator 48 It will initiate an upward movement because 100% of the hydraulic oil flow enters into it. If the pressure required by the hydraulic actuator 48, to lift the load exerted by the rod string and the hydrostatic column inside the well, is greater than the set pressure of the pressure regulating valves 16 and 17, the hydraulic actuator 48 it will remain static and the pressure regulating valves 16 and 17 will relieve the fluid pressure through the hoses 37 and 38, discharging oil to the return line for hydraulic oil 36. In this case it will be necessary to adjust a higher set pressure in the pressure regulating valves 16 and 17, in order to force the hydraulic oil flow to be directed to the hydraulic actuator 48.
- the upper sensor 49 When the hydraulic actuator is in the upper position, the upper sensor 49 sends an electrical signal to the control board 57 which allows the primary pilot solenoid valve 19 and the secondary pilot solenoid valve 20 to be turned off.
- This upper sensor 49 is located in the upper end of pedestal 47, as seen in detail A of Figure 1. In this way, when the primary pilot solenoid valve 19 and the secondary pilot solenoid valve 20 are turned off they return to their normally open position allowing the passage of fluid through lines 30 and 29, and hoses 38 and 37. In this way the pressure inside the pressure regulating valves 16 and 17 drops to a minimum pressure generated by the frictional losses present in the hoses 37 and 38 as well as in the return line for hydraulic oil 36.
- the lower sensor 50 sends an electrical signal to the electronic control card 57 in order to initiate a new cycle closing the primary and secondary pilot solenoid valves 19 and 20.
- the lower sensor 50 is located at the lower end of the pedestal 47, as can be seen in detail B of Figure 1.
- the dry chamber 12 for electrical controls and hydraulic measuring elements comprises inside a high pressure gauge 24 of the power circuit, which is connected by means of line 26 to the discharge of the hydraulic power circuit, as see figures 3 and 7.
- the pressure gauge 24 measures the pressure in the upward and downward movement of the hydraulic actuator 48.
- a pressure gauge 23 of the recirculation circuit which is connected through the line 27 with the return line 36 for hydraulic oil, as seen in figures 3 and 7.
- the pressure gauge 23 measures the pressure fluctuations inside the return line for hydraulic oil 36, as seen in the figures 3 and 7.
- the dry chamber 12 comprises a thermometer 25 that measures the temperature of the hydraulic oil inside the suction tank 1 1, as well as a sight glass and sensor level 28 to ensure the optimum level of oil inside the suction tank 1 1, as shown in Figure 3.
- the dry chamber 12 comprises an electrical control panel 51 that has an emergency stop button and the buttons and pilots needed to perform the on and off of the engine 3, as well as the manual on and off of the primary and secondary pilot solenoid valves 19 and 20 respectively, as shown in Figure 3.
- the hydraulic oil is cooled when passing through the inside of the radiator tubes 10.
- the energy required to achieve this fluid displacement is contributed by the small difference in level heights between the oil discharge tank 9 and the oil tank.
- suction 1 1 as shown in figure 4. Since the dual pump sucks oil through the oil filter 21, located inside the tank, suction 1 1 is obtained, and the ball valve 22, a decrease is generated in the height of the level of the suction tank 1 1 with respect to the level height of the oil discharge tank 9, as shown in Figure 4.
- the frictional losses present inside the radiator 10 are smaller than the small difference in heights between the levels of the tanks 9 and 1 1, because the radiator 10 comprises a short length and a large cross-sectional flow area.
- Chassis 1 has a series of covers that seal and protect the components inside the environment from the environment.
- the cover 39 seals the oil discharge tank 9, as shown in Figure 2.
- the cover 40 which has an air filter 44 installed and is connected to the hydraulic oil return line 55 from the hydraulic actuator 48, seals the suction tank 1 1, as seen in figures 1 and 2.
- the cover 41 seals the dry chamber 12 to protect the electric controls and hydraulic measuring elements, as seen in figure 2.
- the cover 42 seals the hood 13 to protect the power hydraulic circuit, as seen in Figure 2.
- the cover 43 seals the hood 14 to protect the other electrical components, as seen in Figure 2.
- Figure 1 Perspective view of the hydraulic power unit, the pedestal and the hydraulic actuator. With detail A of the upper sensor 49 and hose 54, detail B of the lower sensor 50, detail C of the high pressure ball valve 52.
- FIG. 1 Perspective view of the hydraulic power unit where all the outer covers are observed.
- FIG. 3 Perspective view of the hydraulic power unit where its internal components are observed.
- FIG. 4 Perspective view of the hydraulic power unit and side view of the hydraulic power unit where oil levels are observed inside the oil discharge tank 9 and the suction tank 1 1, as well as the internal components of the machine
- Figure 5 Perspective view of the power train of the hydraulic power unit where the suctions and discharge of the primary 6 and secondary 7 hydraulic pumps are observed.
- Figure 6 Perspective view of the hydraulic power circuit connected to the suctions and discharges of the primary 6 and secondary pumps 7.
- Figure 7 Perspective view of the hydraulic power circuit.
- Hose 33 for connection between secondary pump 7 and bidirectional valve 8
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2016006687A MX2016006687A (es) | 2014-11-19 | 2014-11-19 | Unidad hidraulica de bombeo mecanico con radiador integrado. |
PCT/IB2014/066176 WO2016079566A1 (es) | 2014-11-19 | 2014-11-19 | Unidad hidráulica de bombeo mecánico con radiador integrado |
BR112016011464-7A BR112016011464B1 (pt) | 2013-11-19 | 2014-11-19 | Unidade hidráulica de bombeamento mecânico com radiador integrado |
AU2014411549A AU2014411549B2 (en) | 2014-11-19 | 2014-11-19 | Hydraulic mechanical pumping unit comprising a built-in radiator |
US15/037,933 US10788033B2 (en) | 2014-11-19 | 2014-11-19 | Mechanical hydraulic pumping unit with a radiator integrated |
CN201480077771.9A CN106170604B (zh) | 2014-11-19 | 2014-11-19 | 包括集成散热器的机械液压泵送单元 |
MYPI2016000945A MY187080A (en) | 2014-11-19 | 2014-11-19 | Mechanical hydraulic pumping unit with a radiator integrated |
RU2016146167A RU2672289C1 (ru) | 2014-11-19 | 2014-11-19 | Механическая гидравлическая насосная установка с встроенным радиатором |
CA2934855A CA2934855C (en) | 2014-11-19 | 2014-11-19 | Mechanical hydraulic pumping unit with a radiator integrated |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2014/066176 WO2016079566A1 (es) | 2014-11-19 | 2014-11-19 | Unidad hidráulica de bombeo mecánico con radiador integrado |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016079566A1 true WO2016079566A1 (es) | 2016-05-26 |
Family
ID=56013342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2014/066176 WO2016079566A1 (es) | 2013-11-19 | 2014-11-19 | Unidad hidráulica de bombeo mecánico con radiador integrado |
Country Status (8)
Country | Link |
---|---|
US (1) | US10788033B2 (es) |
CN (1) | CN106170604B (es) |
AU (1) | AU2014411549B2 (es) |
CA (1) | CA2934855C (es) |
MX (1) | MX2016006687A (es) |
MY (1) | MY187080A (es) |
RU (1) | RU2672289C1 (es) |
WO (1) | WO2016079566A1 (es) |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN107061384A (zh) * | 2016-12-26 | 2017-08-18 | 新兴重工三六(武汉)特种装备厂 | 一种集成式液压模块 |
US11624326B2 (en) | 2017-05-21 | 2023-04-11 | Bj Energy Solutions, Llc | Methods and systems for supplying fuel to gas turbine engines |
CN107237743A (zh) * | 2017-06-16 | 2017-10-10 | 无锡市京锡冶金液压机电有限公司 | 液压泵降温系统 |
CN109012069A (zh) * | 2017-08-01 | 2018-12-18 | 广州金牛脱硝技术开发有限公司 | 一种还原剂输送装置 |
CN107559269A (zh) * | 2017-09-27 | 2018-01-09 | 东莞市金庄液压技术有限公司 | 一种油压站冷却一体机 |
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US11193361B1 (en) | 2020-07-17 | 2021-12-07 | Bj Energy Solutions, Llc | Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations |
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- 2014-11-19 CA CA2934855A patent/CA2934855C/en active Active
- 2014-11-19 RU RU2016146167A patent/RU2672289C1/ru active
- 2014-11-19 MX MX2016006687A patent/MX2016006687A/es unknown
- 2014-11-19 AU AU2014411549A patent/AU2014411549B2/en active Active
- 2014-11-19 WO PCT/IB2014/066176 patent/WO2016079566A1/es active Application Filing
- 2014-11-19 CN CN201480077771.9A patent/CN106170604B/zh active Active
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Also Published As
Publication number | Publication date |
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MY187080A (en) | 2021-08-29 |
CA2934855C (en) | 2021-11-16 |
AU2014411549A1 (en) | 2016-07-07 |
US10788033B2 (en) | 2020-09-29 |
US20170122310A1 (en) | 2017-05-04 |
RU2672289C1 (ru) | 2018-11-13 |
AU2014411549B2 (en) | 2020-12-17 |
CA2934855A1 (en) | 2016-05-26 |
CN106170604B (zh) | 2020-08-21 |
CN106170604A (zh) | 2016-11-30 |
MX2016006687A (es) | 2016-12-09 |
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